menacing

Meanings

• pose a threat to; present a danger to
• express a threat either by an utterance or a gesture
• act in a threatening manner
  • "A menacing person"
• threatening or foreshadowing evil or tragic developments
  • "his tone became menacing"

Synonyms

baleful, endanger, forbidding, imperil, jeopardise, jeopardize, menace, minacious, minatory, ominous, peril, sinister, threaten, threatening